DYKB 1:9 balun 200w short wave Balun NOX-150 magnetic SSB CW LSB USB AM FM HAM Long Wire HF Antenna Balun
Features:
This Balun uses zinc-nickel NOX-150 high-frequency magnetic ring (50MHz) diameter 31mm.
The main parameters:
1. The conversion ratio is 1: 9
2. Input impedance: 50 ohms (unbalanced)
3. Output impedance: 450 Euro (unbalanced) for long-term short-wave antenna
4. Frequency range: 1-56MHz
5. Standing wave: less than 1.5
6. Resistance to power: 200w
7. External dimensions: diameter 50x130mm
8. Weight: 350 grams
As seen in diagram below that this unit is realy good. The macthing 450ohm to 50 ohm (tested with 450Ohm)